Pet hammock



FIG. 1 is a front, right side and top perspective view of a pet hammock,showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a front and right side perspective view thereof, shown in analternative configuration.

CLAIM The ornamental design for a pet hammock, as shown and described.